UP F-70-3:
UP 53800-53814 3 AC&F hitches (to UP 253600-253699, mixed with other classes) UP 53815-53899 2 AC&F hitches " " " " " " " "
These 85'-0", 70-ton flat cars were built by AC&F in 2/1959. They featured Keystone 20" cushioned underframes. They were apparently initially assigned to TOFC loading.